Add issue-number input and output

README.md

@@ -26,13 +26,18 @@ If the file does not exist the action exits silently.
 #### Inputs
 
 - `token` - `GITHUB_TOKEN` or a `repo` scoped [PAT](https://help.github.com/en/github/authenticating-to-github/creating-a-personal-access-token-for-the-command-line). Defaults to `GITHUB_TOKEN`.
+- `issue-number` - The issue number of an existing issue to update
 - `title` (**required**) - The title of the issue
 - `content-filepath` (**required**) - The file path to the issue content
 - `labels` - A comma separated list of labels
 - `assignees` - A comma separated list of assignees (GitHub usernames)
 - `project` - The name of the project for which a card should be created (Requires `project-column-name`)
 - `project-column` - The name of the project column under which a card should be created
 
+#### Outputs
+
+- `issue-number` - The number of the created issue
+
 ## Actions that pair with this action
 
 - [Link Checker](https://github.com/peter-evans/link-checker) - An action for link checking repository Markdown and HTML files

action.yml

@@ -4,6 +4,8 @@ inputs:
   token:
     description: 'The GitHub authentication token'
     default: ${{ github.token }}
+  issue-number:
+    description: 'The issue number of an existing issue to update'
   title:
     description: 'The title of the issue.'
     required: true
@@ -17,6 +19,9 @@ inputs:
     description: 'The name of the project for which a card should be created.'
   project-column:
     description: 'The name of the project column under which a card should be created.'
+outputs:
+  issue-number:
+    description: 'The number of the created issue.'
 runs:
   using: 'node12'
   main: 'dist/index.js'

dist/src/create_issue_from_file.py → dist/ciff/create_issue_from_file.py

@@ -2,7 +2,7 @@
 ''' Create Issue From File '''
 import os
 from pathlib import Path
-from github import Github
+from github import Github, GithubException
 
 # Fetch required environment variables
 github_token = os.environ['GITHUB_TOKEN']
@@ -11,11 +11,44 @@
 issue_content_path = os.environ['CIFF_CONTENT_FILEPATH']
 
 # Fetch optional environment variables
+issue_number = os.environ.get('CIFF_ISSUE_NUMBER')
 issue_labels = os.environ.get('CIFF_LABELS')
 issue_assignees = os.environ.get('CIFF_ASSIGNEES')
 project_name = os.environ.get('CIFF_PROJECT_NAME')
 project_column_name = os.environ.get('CIFF_PROJECT_COLUMN_NAME')
 
+
+def create_project_card(github_repo, project_name, project_column_name, issue):
+    # Locate the project by name
+    project = None
+    for project_item in github_repo.get_projects("all"):
+        if project_item.name == project_name:
+            project = project_item
+            break
+
+    if not project:
+        print("::error::Project not found. Unable to create project card.")
+        return
+
+    # Locate the column by name
+    column = None
+    for column_item in project.get_columns():
+        if column_item.name == project_column_name:
+            column = column_item
+            break
+
+    if not column:
+        print("::error::Project column not found. Unable to create project card.")
+        return
+
+    # Create a project card for the pull request
+    column.create_card(content_id=issue.id, content_type="Issue")
+    print(
+        "Added issue #%d to project '%s' under column '%s'"
+        % (issue.number, project.name, column.name)
+    )
+
+
 # If the file does not exist there is no issue to create
 if not Path(issue_content_path).is_file():
     print("File not found")
@@ -28,9 +61,19 @@
 # Fetch the repository object
 g = Github(github_token)
 repo = g.get_repo(github_repository)
-# Create the issue
-issue = repo.create_issue(issue_title, issue_content)
-print("Created issue %d" % (issue.number))
+
+if issue_number is not None:
+    # Update an existing issue
+    issue = repo.get_issue(int(issue_number))
+    issue.edit(title=issue_title, body=issue_content)
+    print("Updated issue %d" % (issue.number))
+else:
+    # Create an issue
+    issue = repo.create_issue(title=issue_title, body=issue_content)
+    print("Created issue %d" % (issue.number))
+
+# Set the step output
+os.system(f"echo ::set-output name=issue-number::{issue.number}")
 
 if issue_labels is not None:
     # Split the labels input into a list
@@ -50,30 +93,17 @@
     print("Assigning issue to assignees")
     issue.edit(assignees=assignees_list)
 
+# Create a project card for the pull request
 if project_name is not None and project_column_name is not None:
-    # Locate the project by name
-    project = None
-    for project_item in repo.get_projects("all"):
-        if project_item.name == project_name:
-            project = project_item
-            break
-
-    if not project:
-        print("Project not found")
-        exit(0)
-
-    # Locate the column by name
-    column = None
-    for column_item in project.get_columns():
-        if column_item.name == project_column_name:
-            column = column_item
-            break
-
-    if not column:
-        print("Project column not found")
-        exit(0)
-
-    # Add the issue to the project
-    card = column.create_card(content_id=issue.id, content_type="Issue")
-    print("Added issue %d to project \"%s\" under column \"%s\"" \
-        % (issue.number, project.name, column.name))
+    try:
+        create_project_card(
+            repo, project_name, project_column_name, issue
+        )
+    except GithubException as e:
+        # Likely caused by "Project already has the associated issue."
+        if e.status == 422:
+            print(
+                "Create project card failed - {}".format(
+                    e.data["errors"][0]["message"]
+                )
+            )

dist/ciff/requirements.txt

@@ -0,0 +1,3 @@
+setuptools==46.1.3
+wheel==0.34.2
+PyGithub==1.47